Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Que temporada tem 6 corridas e a equipe é a Austrália?
 ###Tabelas: CREATE TABLE career_summary (career_summary_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Series VARCHAR, Team VARCHAR, Races INT, Wins INT) CREATE TABLE first_division_final_table (first_division_final_table_id AUTO_INCREMENT PRIMARY KEY, Position INT, Team VARCHAR, Played INT, Drawn INT, Lost INT, Goals For INT, Goals Against INT, Goal Difference VARCHAR, Points 1 VARCHAR) CREATE TABLE top_scorers (top_scorers_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Position VARCHAR, Ekstraklasa INT, Polish Cup INT, Puchat Ligi INT, UEFA Cup INT, Total INT) CREATE TABLE 1980–1989 (1980–1989_id AUTO_INCREMENT PRIMARY KEY, January VARCHAR, February VARCHAR, March VARCHAR, April VARCHAR, June VARCHAR, July VARCHAR, August VARCHAR, September VARCHAR, October VARCHAR, November VARCHAR, December VARCHAR) CREATE TABLE singles:_23_15–8 (singles:_23_15–8_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR)  
SELECT Season FROM career_summary WHERE Races = 6 AND Team = australia